不是什么愉快的经历。

From what has been discussed above, I am fully convinced that the leisure life-style is

undergoing a decline with the progress of modern society, it is not necessary a bad thing.

通过以上讨论，我完全相信，随着现代社会的进步，幽闲的生活方式正在消失并不是件坏事。

From what has been discussed above, we may safely draw the conclusion that advantages of bicycle